[Stoves] Summer Stove Camp 2015 Agenda

[Crispin Pemberton-Pigott]

Dear Dieter

Is $5 the price of a current traditional stove in Lusaka? I ask because it is quite a bit higher  than it used to be: $1.50.

The wholesale price of a small Keren Stove in Yogyakarta is $0.20. Bigger ones run from 50 cents to a dollar. A $5 has to offer a lot more to attract buyers.

By offering much more fuel-efficient charcoal stoves the impact on the trees is very large, as you indicate. There is lots of room for improvement of the entire chain, all elements of it. A stove that saves $10 a month in fuel that costs $30 makes sense, if people can afford to save that much.

Regards
Crispin


Dear Crispin,

The mean expenditures for charcoal of an urban household in Zambia are
around 25 USD per month (consumption of more than 1.3 tons of charcoal
per household per year). The price of the typical metal charcoal stove
is about 5 USD. The urban households in Zambia will possibly be able to
cause extensive deforestation of the country during one generation with
these charcoal braziers. If the price of charcoal would reflect also the
damage on nature and health, the price would be still higher. I write
this because I cannot agree with your “too expensive”. A three stone
fire can be extremely expensive, if holistically calculated. I designed
the fuelwood stoves Ben 2 and Ben 3 (http://solarcooking.org/Ben3)for
free use keeping this in mind.

With kind regards,
Dieter

Am 27.07.2015 um 19:25 schrieb Crispin Pemberton-Pigott:
> Dear Jed
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> Thanks for the pictures. I was thinking you had a ceramic stove (like pottery).  For the really cheap stoves I was referring to, there is no metal. Too expensive. There is one called an Anglo Supra and Anglo Supra Nova. They have a metal shell and clay interior. They sell for about $5.50. Usually they burn charcoal but small wood is also used.
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> I am looking for something that will be made from clay only. Here is the traditional clay Keren Stove.
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> That is the baseline product. They should also make TLUD’s, I think.
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> Regards
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> Crispin
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> Attach are three more photos of the stove in operation.
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> We had problems lighting the the fuel from the top to run it in TLUD mode during the tests and greatly discouraged the cook of the food stall in the public market.
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> However, the high point of the test is upon realizing that the stove can run clean on their stocks of coco charcoal in strong and smokeless flame.
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> The stove ran for one hour with six pieces of coco charcoal.
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> The food stall consume one bag (about 35 kilograms of wood charcoal per day) for their four units of wood charcoal stoves.
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> Joshua B. Guinto
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